Description of the data source, numerator, denominator, survey questions, and other relevant details about the national estimate.
Women with a recent live birth who reported having a healthy weight (BMI: 18.5 - 24.9) prior to pregnancy
Number of women with a recent live birth
From the 2007 Pregnancy Risk Assessment Monitoring System:
[NUMERATOR:]
Just before you got pregnant with your new baby, how much did you weigh?
_____ Pounds OR  _____ Kilos
How tall are you without shoes?
_____ Feet _____ Inches OR _____ Meters
From the 2007 California Maternal and Infant Health Assessment:
[NUMERATOR:]
Just before you got pregnant, how much did you weigh?
_____ Pounds OR _____ Kilos
How much weight did you gain during your most recent pregnancy?
_____ Pounds OR _____ Kilos
_____ I LOST weight during my pregnancy
_____ I stayed the same
_____ I don't know
How tall are you without shoes?
_____ Feet and _____ Inches
OR _____ Meters and _____ cms
The most current IOM recommendations were used to determine BMI categories:
Prepregnancy BMI | BMI* (kg/m²) |
---|---|
Underweight | <18.5 |
Normal weight | 18.5-24.9 |
Overweight | 25.0-29.9 |
Obese | ≥30.0 |
* To calculate BMI go to Calculate Your BMI - Standard BMI Calculator.
Data from participating PRAMS states (28 states and New York City in 2007) were combined with data from the California's Maternal and Infant Health Assessment (MIHA) to produce the displayed estimate.
Additional resources about the objective